I'm new to linux and am interested in learning it so I installed ubuntu 12.10 yesterday. Installation went smoothly and I chose "install alongside windows" option and I set about 50 gb using that slider and I thought I used 50 gb from c: drive but to my shock it used 50 gb space from f: drive. This was my first shock.

When I restarted and tried to log into windows, nothing happened except a black screen appeared saying "To restart press alt+ctrl+delete" but even pressing that it wont restart. No matter how many times I try rebooting, windows is not booting; same black screen saying restart appears. But I can log in to ubuntu and I can see that windows c: drive is fine.

Perhaps it might be helpful if you can copy and paste: 1) the grub menu entry for Windows 7 in file /boot/grub/grub.cfg 2) the UUID list of your drives, i.e. the output of this terminal command: ls -l /dev/disk/by-uuid Also indicating which is your Windows drive (e.g. sda1, sda2, etc.)
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SadiDec 9 '12 at 15:45